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fgiga [73]
3 years ago
11

Jerusha and anavi are working very hard to tend their organic veggie garden when jerusha sees a bunny nibbling on a tender letuc

e leaf. In a fit of rage, anavi chases the fluffy little rabbit across the yard. The bunny darts from rest to 16km/s in 3 seconds. What is the innocent little bunny's average acceleration?
Physics
1 answer:
zubka84 [21]3 years ago
8 0

Answer:

Explanation:

Given:

Initial Velocity, u = 0 km/s (at rest)

Final Velocity, v = 16 km/s

Time taken, t = 3 sec

acceleration, a = (v - u)/t

= (16 - 0)/3

= 5.33 km/s^2

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alina1380 [7]

Answer: 3.49 s

Explanation:

We can solve this problem with the following equation of motion:

y=y_{o}+V_{o}t-\frac{1}{2}gt^{2} (1)

Where:

y=0 m is the final height of the ball

y_{o}=60 m is the initial height of the ball

V_{o}=0 m/s is the initial velocity (the ball was dropped)

g=9.8 m/s^{2} is the acceleratio due gravity

t is the time

Isolating t:

t=\sqrt{\frac{2 y_{o}}{g}} (2)

t=\sqrt{\frac{2 (60 m)}{9.8 m/s^{2}}} (3)

Finally we find the time the ball is in the air:

t=3.49 s (4)

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Vitek1552 [10]

Answer:

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Explanation:

<u>Given the following data;</u>

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To find the relative velocity of B w.r.t A, VAB;

Since the two cars are moving in the same direction, we have;

VAB = VB - VA

Substituting into the equation, we have;

VAB = 80 - 60

<em>VAB = 20km/hr</em>

Therefore, the relative velocity of car B with respect to car A is 20 kilometers per hour.

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